Montoure Company uses a perpetual inventory system. It entered into the following calendar$-$year purchases and sales transactions.

Date Activities Units Acquired at Cost Units Sold at Retail

January $1$ Beginning inventory $660$ units @ $$35$ per unit

February $10$ Purchase $330$ units @ $$32$ per unit

March $13$ Purchase $110$ units @ $$20$ per unit

March $15$ Sales $760$ units @ $$75$ per unit

August $21$ Purchase $180$ units @ $$40$ per unit

September $5$ Purchase $570$ units @ $$36$ per unit

September $10$ Sales $750$ units @ $$75$ per unit

Totals $1,850$ units $1,510$ units $1.$Compute cost of goods available for sale and the number of units available for sale. Compute the number of units in ending inventoryCompute the cost assigned to ending inventory using $($a$)$ FIFO, $($b$)$ LIFO, $($c$)$ weighted average, and $($d$)$ specific identification. $($For specific identification, units sold consist of $660$ units from beginning inventory, $230$ from the February $10$ purchase, $110$ from the March $13$ purchase, $130$ from the August $21$ purchase, and $380$ from the September $5$ purchase.$)$ Compute gross profit earned by the company for each of the four costing methods.

Note: Round your average cost per unit to $2$ decimal places.The company$$s manager earns a bonus based on a percent of gross profit. Which method of inventory costing produces the highest bonus for the manager?

multiple choice

LIFO

Weighted Average

Specific Identification

FIFO